The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 09, 2000
Filed:
Sep. 08, 1998
Steven J Dimig, Plymouth, WI (US);
Keith D Zirtzlaff, Port Washington, WI (US);
Strattec Security Corporation, Milwaukee, WI (US);
Abstract
A free-wheeling lock assembly includes a free-wheeling lock mechanism which prevents damaging forces from being applied to the components of the lock assembly if the lock cylinder is forcibly rotated by a key other than the proper key or by some other instrument. A detent mechanism, which functions independent of spring bias, couples the sleeve to the case in the presence of the proper key in the keyway. A clutch mechanism couples the cylinder to the driver, but decouples the driver from the cylinder for an over-torque condition. The cylinder lock assembly further includes a locking mechanism which prevents operation of the latching mechanism of the lock assembly if the cylinder is slam-pulled from the case. The tumblers are isolated from rotary motion of the tumbler ward.